Instructions:1. Fill a clean, empty litter box with 3-4 inches of Arm & Hammer Multi-Cat Cat Litter.2. Litter forms rock-solid clumps on contact with urine and eliminates odors. Remove clumps and solid waste daily to keep the rest of litter fresh.3. Add more Arm & Hammer Multi-Cat cat litter to replace what you have scooped out and maintain a depth of 3-4 inches. Once a month, empty the entire litter box.4. Dispose of used litter in trash. Do not flush or put in drains.